<template>
  <a-modal
    :title="title"
    :width="565"
    :visible="visible"
    :isLoading="isLoading"
    :confirmLoading="isLoading"
    :maskClosable="false"
    @ok="handleSubmit"
    @cancel="handleCancel"
  >
    <a-spin :spinning="isLoading">
      <a-alert
        v-if="record.type == RefundTypeEnum.RETURN.value"
        message="请确认已收到寄回的商品，确认后自动退回付款金额（原路退款）并关闭当前售后单"
        banner
      />
      <a-form v-if="visible" :form="form">
        <a-form-item label="售后类型" :labelCol="labelCol" :wrapperCol="wrapperCol">
          <a-tag>{{ RefundTypeEnum[record.type].name }}</a-tag>
        </a-form-item>
        <a-form-item label="订单付款的总金额" :labelCol="labelCol" :wrapperCol="wrapperCol">
          <span>￥{{ record.orderData.pay_price }}元</span>
        </a-form-item>
        <a-form-item label="退款的金额" :labelCol="labelCol" :wrapperCol="wrapperCol">
          <a-input-number
            :min="0.01"
            :precision="2"
            v-decorator="['refund_money', { rules: [{ required: true, message: '请输入退款金额' }] }]"
          />
          <span class="ml-10">元</span>
          <div class="form-item-help">
            <p
              class="extra"
            >请输入退款金额，最多{{ Math.min(record.orderGoods.total_pay_price, record.orderData.pay_price) }}元，最多不能大于订单实际付款的总金额</p>
          </div>
        </a-form-item>
      </a-form>
    </a-spin>
  </a-modal>
</template>

<script>
import { assignment } from '@/utils/util'
import * as Api from '@/api/order/refund'
import { AuditStatusEnum, RefundTypeEnum } from '@/common/enum/order/refund'

export default {
  data () {
    return {
      // 对话框标题
      title: '确认收货并退款',
      // 标签布局属性
      labelCol: { span: 8 },
      // 输入框布局属性
      wrapperCol: { span: 13 },
      // modal(对话框)是否可见
      visible: false,
      // modal(对话框)确定按钮 loading
      isLoading: false,
      // 当前表单元素
      form: this.$form.createForm(this),
      // 当前记录
      record: {}
    }
  },
  beforeCreate () {
    // 批量给当前实例赋值
    assignment(this, { AuditStatusEnum, RefundTypeEnum })
  },
  methods: {

    /**
     * 显示对话框
     */
    show (record) {
      // 显示窗口
      this.visible = true
      // 当前记录
      this.record = record
      // 更新form元素
      this.$nextTick(() => {
        this.$forceUpdate()
      })
    },

    /**
     * 确认按钮
     */
    handleSubmit (e) {
      e.preventDefault()
      // 表单验证
      const { form: { validateFields } } = this
      validateFields((errors, values) => {
        // 提交到后端api
        !errors && this.onFormSubmit(values)
      })
    },

    /**
     * 关闭对话框事件
     */
    handleCancel () {
      this.visible = false
      this.form.resetFields()
    },

    /**
    * 提交到后端api
    */
    onFormSubmit (values) {
      this.isLoading = true
      Api.receipt({ orderRefundId: this.record.order_refund_id, form: values })
        .then((result) => {
          // 显示成功
          this.$message.success(result.message, 1.5)
          // 关闭对话框事件
          this.handleCancel()
          // 通知父端组件提交完成了
          this.$emit('handleSubmit', values)
        })
        .finally(() => {
          this.isLoading = false
        })
    }

  }
}
</script>
<style lang="less" scoped>
.ant-form-item {
  margin-bottom: 10px;
}
</style>
